The data we have is very comprehensive and that's how we deduce this answer. At the moment, we cannot disclose more details of this data.
Believe it or not, we DID see difference of minimum winning bid when using affiliated link or not. (In some cases, might not be an issue for most of us cause it's only as low as two dollars increase)
I understand Priceline is a big company, and different department might work in different ways. So even this rep might not understand the details of this issue.